digital attenuator, 1-bit, 15 db, 75 ? dc - 1.1 ghz rev. v1 maad-010305 1 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. features ? single 15-db step ? insertion loss: 0.3 db @ 1.1 ghz ? 75 ? impedance ? 2.5 to 5.0 volt operation ? positive or negative voltage control ? lead-free sot-25 package ? halogen-free ?green? mold compound ? rohs* compliant and 260c reflow compatible description the maad-010305 is a 1-bit, 15-db step gaas mmic digital attenuator in a lead-free sot-25, 5 lead surface mount plastic package. the maad-010305 is fabricated as a monolithic gaas integrated circuit using a mature phemt process. the process features full chip passivation for performance and reliability. this device is ideally suited for use where high accuracy, very low power consumption and low intermodulation products are required. functional schematic pin configuration pin no. function 1 rf input port 2 ground 3 rf output port 4 v1 5 v2 ordering information 1,2 part number package maad-010305-tr1000 1000 piece reel maad-010305-tr3000 3000 piece reel maad-010305-001smb sample board * restrictions on hazardous substanc es, european union directive 2002/95/ec. 1. reference application note m513 for reel size information. 2. all sample boards include 5 loose parts.
digital attenuator, 1-bit, 15 db, 75 ? dc - 1.1 ghz rev. v1 maad-010305 2 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. electrical specifications 3 : t a = 25c, v c = +2.5 volts, z 0 = 75 ? parameter test conditions units min. typ. max. insertion loss (reference state) 1.1 ghz db ? 0.3 0.45 attenuation 1.1 ghz db 14.6 15.1 15.6 input return loss dc - 1.1 ghz db ? 14 ? input ip3 1.1 ghz insertion loss state attenuation state dbm ? ? 46 46 ? ? p1db 1.1 ghz insertion loss state attenuation state dbm ? ? 20 20 ? ? ctb 157 channels, p in = 35 dbmv/ch. dbc ? 70 ? cso 157 channels, p in = 35 dbmv/ch. dbc ? 66 ? trise, tfall 10% to 90% rf, 90% to 10% rf ns ? 15 ? ton, toff 50% control to 90% rf, 50% control to 10% rf ns ? 20 ? transients in-band mv ? 20 ? control current ? a ? ? 5 output return loss dc - 1.1 ghz db ? 14 ? 3. for positive voltage control, external dc blocking capac itors are required on all rf ports (pins 1, 2 and 3). absolute maximum ratings 4,5 parameter absolute maximum input power +21 dbm control voltage 8 v operating temperatur e -40c to +85c storage temperature -65c to +150c 4. exceeding any one or combination of these limits may cause permanent damage to this device. 5. m/a-com technology solutions does not recommend sustained operation near these survivability limits. truth table mode (control) v1 v2 attenuation positive 6 0 0.2v +2.5v to +5v +2.5v to +5v 0 0.2v 15 db reference state negative 7 0 0.2v -2.5v to -5v -2.5v to -5v 0 0.2v reference state 15 db 6. external dc blocking capacitors are required as noted. 7. if negative control is used, dc blocking capacitors are not required on rf ports and ground.
digital attenuator, 1-bit, 15 db, 75 ? dc - 1.1 ghz rev. v1 maad-010305 3 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. positive control voltage schematic recommended pcb layout pcb land pattern plated vias are .024 diameter handling procedures please observe the following precautions to avoid damage: static sensitivity gallium arsenide integrated circuits are sensitive to electrostatic discharge (esd) and can be damaged by static electricity. proper esd control techniques should be used when handling these devices.
digital attenuator, 1-bit, 15 db, 75 ? dc - 1.1 ghz rev. v1 maad-010305 4 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. output return loss output return loss_full attenuation input return loss input return loss_full attenuation insertion loss relative attenuation typical performance curves with c1,c2,c3 = 0.01 f, positive or negative mode (control) -18 -17 -16 -15 -14 -13 -12 0.0 0.5 1.0 1.5 2.0 +25c -40c +85c frequency (ghz) -50 -40 -30 -20 -10 0 0.0 0.5 1.0 1.5 2.0 +25c -40c +85c frequency (ghz) -40 -35 -30 -25 -20 -15 -10 -5 0 0.0 0.5 1.0 1.5 2.0 +25c -40c +85c frequency (ghz) -50 -40 -30 -20 -10 0 0.0 0.5 1.0 1.5 2.0 +25c -40c +85c frequency (ghz) -40 -35 -30 -25 -20 -15 -10 -5 0 0.0 0.5 1.0 1.5 2.0 +25c -40c +85c frequency (ghz) -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 0.0 0.5 1.0 1.5 2.0 +25c -40c +85c frequency (ghz)
digital attenuator, 1-bit, 15 db, 75 ? dc - 1.1 ghz rev. v1 maad-010305 5 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. lead-free sot-25 ? ? reference application note m538 for lead-free solder reflow recommendations. plating is 100% matte tin over copper.
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